*: Remove

1 files changed, 0 insertions, 49 deletions

diff --git a/commitquery/query_is_ancestor.go b/commitquery/query_is_ancestor.go
deleted file mode 100644
index c21892c8..00000000
--- a/commitquery/query_is_ancestor.go
+++ /dev/null
@@ -1,49 +0,0 @@
-package commitquery
-
-import objectid "codeberg.org/lindenii/furgit/object/id"
-
-// IsAncestor reports whether ancestor is reachable from descendant through
-// commit parent edges.
-//
-// Both inputs are peeled through annotated tags before commit traversal.
-func (query *query) IsAncestor(ancestor, descendant objectid.ObjectID) (bool, error) {
-	ancestorIdx, err := query.resolveCommitish(ancestor)
-	if err != nil {
-		return false, err
-	}
-
-	descendantIdx, err := query.resolveCommitish(descendant)
-	if err != nil {
-		return false, err
-	}
-
-	return query.isAncestor(ancestorIdx, descendantIdx)
-}
-
-// isAncestor answers one ancestry query between two resolved internal nodes.
-func (query *query) isAncestor(ancestor, descendant nodeIndex) (bool, error) {
-	if ancestor == descendant {
-		return true, nil
-	}
-
-	ancestorGeneration := query.effectiveGeneration(ancestor)
-	descendantGeneration := query.effectiveGeneration(descendant)
-
-	if ancestorGeneration != generationInfinity &&
-		descendantGeneration != generationInfinity &&
-		ancestorGeneration > descendantGeneration {
-		return false, nil
-	}
-
-	minGeneration := uint64(0)
-	if ancestorGeneration != generationInfinity {
-		minGeneration = ancestorGeneration
-	}
-
-	err := query.paintDownToCommon(ancestor, []nodeIndex{descendant}, minGeneration)
-	if err != nil {
-		return false, err
-	}
-
-	return query.hasAnyMarks(ancestor, markRight), nil
-}